Inventor
ZIMMERMANN NORBERT
DE25 patents
⚠️ This page may combine multiple inventors who share the name “ZIMMERMANN NORBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
12 patentsUS7692522B2Apr 6, 2010
Method and device for the safe operation of a switching device
SIEMENS AG20 citations92
US7760055B2Jul 20, 2010
Method and device for the secure operation of a switching device
SIEMENS AG15 citations82
US7812696B2Oct 12, 2010
Method and device for securely operating a switching device
SIEMENS AG6 citations62
US7978036B2Jul 12, 2011
Method and device for the secure operation of a switching device
SIEMENS AG5 citations61
US7570143B2Aug 4, 2009
Method for winding a coil, a winding form, and a coil
SIEMENS AG5 citations56
US6614333B1Sep 2, 2003
Auxiliary switch block
SIEMENS AG0 citations51
US6583695B1Jun 24, 2003
Housing for switchgears
SIEMENS AG1 citations50
US7328498B2Feb 12, 2008
Method for producing the surface geometry of solenoids
SIEMENS AG0 citations45
US5304973AApr 19, 1994
Coil for electromagnetically actuating a switching device
SIEMENS AG1 citations42
US10217574B2Feb 26, 2019
Low-voltage switching device with a variable design
SIEMENS AG0 citations41
US7872552B2Jan 18, 2011
Method and device for the secure operation of a switching device
SIEMENS AG0 citations40
US10636589B2Apr 28, 2020
Switching device with a modular auxiliary switching unit
SIEMENS AG0 citations36
BASF AG
5 patentsUS5186846AFeb 16, 1993
Dye dispersants: aryl sulphonic acid-formaldehyde condensate or ligninsulfonate
BASF AG49 citations89
US5534166AJul 9, 1996
Preparation of condensates of arenesulfonic acids and formaldehyde and use thereof
BASF AG7 citations73
US5124438AJun 23, 1992
Chemically modified proteins and colorant formulations containing the same
BASF AG15 citations73
US5753775AMay 19, 1998
Sulfonated and oxidized indene polymers
BASF AG2 citations57
US7229803B2Jun 12, 2007
Reaction of (di)amines in the presence of a lysine oxidase and of a reducing agent
BASF AG0 citations42
GRAF JOSEF
3 patentsUS8400239B2Mar 19, 2013
Switching device and method for inserting or removing a tolerance insert in a magnet chamber of a switching device
GRAF JOSEF0 citations47
US8390409B2Mar 5, 2013
Switching device and method for inserting or removing a tolerance insert in a magnet chamber of a switching device
GRAF JOSEF0 citations47
US8188819B2May 29, 2012
Switching device unit for switiching at least two operating states
GRAF JOSEF0 citations40